5(1-4a)=125

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Solution for 5(1-4a)=125 equation: 



5(1-4a)=125

We move all terms to the left:

5(1-4a)-(125)=0

We add all the numbers together, and all the variables

5(-4a+1)-125=0

We multiply parentheses

-20a+5-125=0

We add all the numbers together, and all the variables

-20a-120=0

We move all terms containing a to the left, all other terms to the right

-20a=120

a=120/-20

a=-6

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